Cadmium Chloride: Cadmium Dissolved in Hydrochloric Acid and Evaporated (Thorpe 1912)

Cadmium chloride is the salt that melts and carries cadmium sulphide crystals in a sintered photocell. Dissolve the metal in hydrochloric acid and evaporate the solution. It melts below red heat and sublimes above it. Source: Thorpe, Dictionary of Applied Chemistry vol. 1 (1912), Cadmium. Not given: amounts and acid strength. Cadmium salts are poisonous. Picture drawn by Youblob.